Answer:
Hey there!
I believe that David's prediction would be: If the amount of pollutants in the atmosphere reached an amount unhealthy for the salamanders, then the salamander population would decrease.
Let me know if this helps :)
the fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.
Answer: the tree is taller and place you carved your name is wider
Explanation: trees increases at their branch tip and so the carving on the base of the tree will still remain at the same spot you Left it. As the tree grows consistently, the base also expand the trunk because the trunk of the tree grows outwardly therefore the carving will expand since the truck of the tree increases in diameter.
Answer:
O Cells are all the same on the inside
Answer:
B
Explanation:
the constant in biology does not change during an experiment. it is also called the controlled. think of it the same as algebra.
